Synthesis and evaluation of lightweight concrete research relevant to the AASHTO LRFD bridge design specifications : identification of articles for further evaluation and potential revision.

Greene, Gary; Graybeal, Benjamin A.; United States. Federal Highway Administration. Office of Infrastructure Research and Development

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Synthesis and evaluation of lightweight concrete research relevant to the AASHTO LRFD bridge design specifications : identification of articles for further evaluation and potential revision.

2012-11-01
By Greene, Gary ; Graybeal, Benjamin A.

[PDF-257.04 KB]

English

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Details:

Creators:

Greene, Gary ; Graybeal, Benjamin A.

Greene, Gary ; Graybeal, Benjamin A. Less -
Corporate Creators:

United States. Federal Highway Administration. Office of Infrastructure Research and Development
Subject/TRT Terms:

[+]

Bridge Design Bridges--Design And Construction--Specifications Lightweight Concrete Mix Design Research Specifications
Publication/ Report Number:

FHWA-HRT-13-029;NTIS PB2013-102358
Resource Type:

Manuscript
Geographical Coverage:

United States
Edition:

Final report.
Corporate Publisher:

United States. Federal Highway Administration. Office of Infrastructure Research and Development
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures;NTL-HIGHWAY/ROAD TRANSPORTATION-Design;
Abstract:

Much of the fundamental basis for the current lightweight concrete provisions in the AASHTO LRFD Bridge

Design Specifications is based on research of lightweight concrete (LWC) from the 1960s. The LWC that was

part of this research used traditional mixes of coarse aggregate, fine aggregate, portland cement, and water.

Broad-based advancement in concrete technology over the past 50 years has given rise to significant

advancements in concrete mechanical and durability performance. The purpose of this document is to give

members of AASHTO Subcommittee on Bridges and Structures T-10 the opportunity to begin considering

whether revisions to provisions related to LWC within Chapter 5 of the AASHTO LRFD Specifications are

warranted. Five specific topics are described in this document where recent LWC research may be sufficient to

warrant consideration of a revision to the AASHTO LRFD Specifications. For each topic, the current articles in

AASHTO LRFD are described, some of the recent research efforts are mentioned, and then potential revisions

are outlined. This document served as supplemental information in support of the discussion that occurred at the

March 2012 T-10 meeting in Chicago, Illinois.
Format:

PDF
Collection(s):

Federal Highway Administration US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:5af985e5c6b2ae3cd59be4738793901ca0e669c9d7541f9c8cfef45e38fcca06
Download URL:

https://rosap.ntl.bts.gov/view/dot/25683/dot_25683_DS1.pdf
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Synthesis and evaluation of lightweight concrete research relevant to the AASHTO LRFD bridge design specifications : identification of articles for further evaluation and potential revision.

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